Tapered wedge type unlocking structure of seat table board and automobile seat

By designing a wedge-shaped unlocking structure for the seat table, and utilizing a combination of wedge blocks and reset springs, the problem of conflict between the table unlocking button and the display screen was solved, achieving a compact unlocking design that meets space requirements.

CN223982440UActive Publication Date: 2026-03-10LEAR-DFM AUTOMOTIVE SEATING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The existing car seat table unlock button conflicts with the display screen, resulting in insufficient space and making it impossible to accommodate both functions.

Method used

A wedge-shaped unlocking structure for a seat table is designed. By combining an unlocking button assembly and an unlocking latch assembly, the table is unlocked using a wedge-shaped block and a reset spring. This design occupies little space and avoids taking up extra space on the seat back.

Benefits of technology

The compact design of the table unlocking structure reduces the space requirement for the seat back, leaving enough space for other components such as the display screen.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a seat table board wedge type unlocking structure and an automobile seat, and relates to the technical field of automobile seat equipment. The seat table board wedge type unlocking structure comprises a table board body, an unlocking button assembly and an unlocking spring bolt assembly. One end of the table plate body can be pivoted with a seat backrest, the unlocking spring bolt assembly comprises a spring bolt base, a spring bolt plate and a first reset elastic piece, the spring bolt base can be fixedly arranged on the seat backrest, an unlocking sliding groove used for installing the spring bolt plate is formed in the spring bolt base, and the first reset elastic piece is located between the unlocking sliding groove and the spring bolt plate; therefore, the spring bolt plate has a trend of being inserted into the unlocking button assembly; an unlocking ejector rod on the unlocking button assembly can abut against the spring bolt plate so that the unlocking ejector rod can push the spring bolt plate out of the unlocking button assembly. The automobile seat comprises the seat table plate inclined wedge type unlocking structure. The technical effect that the seat table plate unlocking button does not conflict with the display screen is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive seat equipment technology, specifically to a wedge-type unlocking structure for a seat table and an automotive seat. Background Technology

[0002] In recent years, with the continuous development of automotive technology and the improvement of living standards, people's requirements for cars have gradually increased. More and more cars have started to have small tables that can carry items and be used for office work. Now, most tables require an additional unlocking button mechanism mounted on the top of the seat back panel to unlock. However, many models are limited by the overall shape, and the area on the seat back panel where the unlocking button is located needs to be used for the display screen, which causes a space conflict and leads to a conflict between the unlocking button mechanism and other functional components of the seat back panel. Utility Model Content

[0003] The purpose of this utility model is to provide a wedge-type unlocking structure for a seat table and a car seat, so as to alleviate the technical problem of conflict between the unlocking button and the display screen in the prior art.

[0004] In a first aspect, this utility model embodiment provides a wedge-type unlocking structure for a chair table, including a table body, an unlocking button assembly, and an unlocking latch assembly;

[0005] One end of the table body can be pivotally connected to the seat back, the unlock button assembly is located at the other end of the table body, and the unlocking latch assembly can be located on the seat back;

[0006] The unlocking latch assembly includes a latch base, a latch plate, and a first reset spring member. The latch base can be fixedly mounted on the seat back. The latch base has an unlocking groove for mounting the latch plate. The first reset spring member is located between the unlocking groove and the latch plate, so that the latch plate tends to be inserted into the unlocking button assembly.

[0007] The unlocking push rod on the unlocking button assembly can abut against the locking tongue plate, so that the unlocking push rod pushes the locking tongue plate out of the unlocking button assembly.

[0008] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the above-mentioned locking tongue plate includes a locking tongue sliding part and a locking tongue part, the locking tongue sliding part is slidably disposed in the unlocking groove, and the thickness of the locking tongue part gradually decreases from one end near the first reset elastic member to the other end.

[0009] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein sliding limit springs are provided on both sides of the aforementioned sliding portion of the latch, and a sliding limit groove adapted to the sliding limit springs is provided on the latch base.

[0010] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the end of the aforementioned locking tongue sliding portion is provided with a positioning post for adapting to the first reset elastic member.

[0011] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the unlocking button assembly includes an unlocking fixing base, a trigger button, a second reset spring, and the unlocking top rod;

[0012] The unlocking fixing base is fixedly installed inside the table body, the trigger button is fixedly installed on the table body, the unlocking top rod is slidably installed on the unlocking fixing base, and the second reset spring is installed on the unlocking fixing base;

[0013] The second reset spring abuts against the unlocking push rod, causing the unlocking push rod to tend to move away from the locking tongue plate;

[0014] The trigger button can drive the unlocking push rod to move up and down relative to the unlocking fixed base, so that the unlocking push rod drives the locking tongue plate to move.

[0015] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the unlocking fixing base is provided with a locking socket seat, and both the unlocking top rod and the locking tongue plate can be inserted into the locking socket seat.

[0016] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the inner wall of the table body is provided with a sliding guide seat that can be adapted to the unlocking top rod.

[0017] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the trigger button includes a trigger button and a wedge block disposed on the back of the trigger button, and the bottom of the unlocking rod is provided with a sloping ramp that can be adapted to the wedge block;

[0018] The wedge block abuts against the inclined landslide so that the horizontal movement of the wedge block can drive the inclined landslide to move up and down;

[0019] The tabletop body has a mounting slot for installing the trigger button.

[0020] In conjunction with the first aspect, this utility model embodiment provides a possible implementation of the first aspect, wherein the second reset elastic member is an elastic reset steel wire, and the unlocking fixing base is provided with two reset member mounting seats, which are located on both sides of the unlocking top rod.

[0021] Secondly, this utility model embodiment provides a car seat, including the seat table with a wedge-shaped unlocking structure.

[0022] Beneficial effects:

[0023] This utility model provides a wedge-type unlocking structure for a seat table, including a table body, an unlocking button assembly, and an unlocking latch assembly. One end of the table body can be pivotally connected to the seat back, the unlocking button assembly is located at the other end of the table body, and the unlocking latch assembly can be located on the seat back. The unlocking latch assembly includes a latch base, a latch plate, and a first reset spring member. The latch base can be fixedly located on the seat back, and the latch base has an unlocking groove for installing the latch plate. The first reset spring member is located between the unlocking groove and the latch plate, so that the latch plate tends to insert into the unlocking button assembly. The unlocking push rod on the unlocking button assembly can abut against the latch plate, so that the unlocking push rod pushes the latch plate out of the unlocking button assembly.

[0024] Specifically, in actual use, users can lock the table body and the seat back by triggering the unlocking latch assembly set on the table body. This allows the table body to rotate relative to the seat back, setting the unlocking latch assembly on the seat back. The unlocking latch assembly includes a latch base, a latch plate, and a first reset spring member. It occupies little space, reducing the space occupied by the table unlocking structure on the seat back, allowing sufficient space on the seat back to accommodate additional components such as a display screen.

[0025] This utility model embodiment provides a car seat, including a wedge-shaped unlocking structure for the seat tray. The car seat has the advantages described above compared to existing technologies, which will not be elaborated further here. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 A schematic diagram of the seat table inclined wedge unlocking structure installed on the seat back as provided in this embodiment of the utility model;

[0028] Figure 2 A schematic diagram showing the seat table inclined wedge unlocking structure provided in this embodiment of the utility model when it is installed on the seat back and opened;

[0029] Figure 3 A schematic diagram of the wedge-shaped unlocking structure for the seat and table provided in this embodiment of the utility model;

[0030] Figure 4 A schematic diagram of the unlocking button assembly and unlocking latch assembly in the wedge-shaped unlocking structure of the chair / table provided in this embodiment of the utility model;

[0031] Figure 5 A partial schematic diagram of the unlocking button assembly and the unlocking latch assembly in the wedge-shaped unlocking structure of the chair / table provided in this embodiment of the utility model;

[0032] Figure 6 Internal schematic diagram of the unlocking button assembly and unlocking latch assembly in the wedge-shaped unlocking structure of the chair / table provided in this embodiment of the utility model;

[0033] Figure 7 This is a partial schematic diagram showing the unlocking button assembly and unlocking latch assembly installed on the table body in the wedge-shaped unlocking structure of the chair / table provided in this embodiment of the utility model.

[0034] icon:

[0035] 10 - Seat backrest;

[0036] 100 – Tabletop body; 110 – Sliding guide seat;

[0037] 200 - Unlock button assembly; 210 - Unlock push rod; 211 - Angled slide; 220 - Unlock fixing base; 221 - Reset mounting base; 230 - Trigger button assembly; 231 - Trigger button; 232 - Wedge block; 240 - Second reset spring assembly; 250 - Locking socket;

[0038] 300 - Unlocking bolt assembly; 310 - Bolt base; 311 - Unlocking slide groove; 312 - Sliding limit groove; 320 - Bolt plate; 321 - Bolt sliding part; 322 - Bolt part; 323 - Sliding limit spring block; 324 - Positioning post; 330 - First reset spring element. Detailed Implementation

[0039] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0044] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, this embodiment provides a wedge-type unlocking structure for a seat table, including a table body 100, an unlocking button assembly 200, and an unlocking latch assembly 300. One end of the table body 100 can be pivotally connected to the seat back 10, the unlocking button assembly 200 is disposed at the other end of the table body 100, and the unlocking latch assembly 300 can be disposed on the seat back 10. The unlocking latch assembly 300 includes a latch base 310, a latch plate 320, and a first reset spring member 330. The seat 310 can be fixedly mounted on the seat back 10. The latch base 310 has an unlocking groove 311 for mounting the latch plate 320. The first reset spring member 330 is located between the unlocking groove 311 and the latch plate 320, so that the latch plate 320 tends to be inserted into the unlocking button assembly 200. The unlocking push rod 210 on the unlocking button assembly 200 can abut against the latch plate 320, so that the unlocking push rod 210 pushes the latch plate 320 out of the unlocking button assembly 200.

[0045] Specifically, in actual use, the user can lock the table body 100 and the seat back 10 by triggering the unlocking latch assembly 300 set on the table body 100, thereby allowing the table body 100 to rotate relative to the seat back 10 and set the unlocking latch assembly 300 on the seat back 10. The unlocking latch assembly 300 includes a latch base 310, a latch plate 320 and a first reset spring member 330. It occupies little space and can reduce the space occupied by the table unlocking structure on the seat back 10, so that there is enough space on the seat back 10 to set up additional components such as the display screen.

[0046] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in an optional embodiment, the locking tongue plate 320 includes a locking tongue sliding part 321 and a locking tongue part 322. The locking tongue sliding part 321 is slidably disposed in the unlocking groove 311, and the thickness of the locking tongue part 322 gradually decreases from one end near the first reset elastic member 330 to the other end.

[0047] The sliding part 321 of the latch is provided with sliding limit springs 323 on both sides, and the latch base 310 is provided with a sliding limit groove 312 that is adapted to the sliding limit springs 323.

[0048] The end of the locking tongue sliding part 321 is provided with a positioning post 324 for matching with the first reset elastic member 330.

[0049] Specifically, the latch base 310 can be set at the top of the receiving slot for accommodating the table body 100 opened in the seat back 10, thereby greatly reducing the space occupied by the unlocking latch assembly 300.

[0050] In addition, the latch base 310 is fixedly installed on the seat back 10, the latch sliding part 321 is slidably disposed in the unlocking groove 311 of the latch base 310, and the sliding limit spring block 323 on the outside of the latch sliding part 321 slides in the sliding limit groove 312, thereby preventing the latch plate 320 from falling out of the latch base 310 and restricting the sliding range of the latch plate 320.

[0051] It should be noted that the first reset spring 330 is a compression spring. The compression spring can push the locking tongue plate 320 outward toward the unlocking slide groove 311, so that the locking tongue part 322 of the locking tongue plate 320 can be inserted into the locking socket 250 of the unlocking button assembly 200. Both the locking socket 250 and the locking tongue part 322 are rounded. Therefore, when the user resets the table body 100, the outer edge of the locking socket 250 can abut against the locking tongue part 322, thereby pushing the locking tongue part 322 upward. After the table body 100 is reset in place, the locking tongue part 322 of the locking tongue plate 320 can fall into the locking socket 250, and the locking work is completed again.

[0052] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in an optional embodiment, the unlocking button assembly 200 includes an unlocking fixing base 220, a trigger button 230, a second reset spring 240, and an unlocking push rod 210. The unlocking fixing base 220 is fixedly disposed inside the tabletop body 100, the trigger button 230 is fixedly disposed on the tabletop body 100, the unlocking push rod 210 is slidably disposed on the unlocking fixing base 220, and the second reset spring 240 is disposed on the unlocking fixing base 220. The second reset spring 240 abuts against the unlocking push rod 210, so that the unlocking push rod 210 tends to move away from the locking tongue plate 320. The trigger button 230 can drive the unlocking push rod 210 to move up and down relative to the unlocking fixing base 220, so that the unlocking push rod 210 drives the locking tongue plate 320 to move.

[0053] The unlocking base 220 is equipped with a locking socket 250, and both the unlocking push rod 210 and the locking tongue plate 320 can be inserted into the locking socket 250.

[0054] The inner wall of the tabletop body 100 is provided with a sliding guide seat 110 that can be adapted to the unlocking top rod 210.

[0055] The second reset spring element 240 uses an elastic reset steel wire. Two reset element mounting seats 221 are provided on the unlocking fixing base 220, located on both sides of the unlocking push rod 210. During use, the upward movement of the unlocking push rod 210 compresses the elastic reset steel wire, causing it to elastically deform. When the user releases the trigger button 231, the elastic reset steel wire resets, driving the unlocking push rod 210 to descend and reset. The unlocking push rod 210 then drives the trigger button 231 to reset.

[0056] It should be noted that the unlocking rod 210 is provided with a through hole or slot that is compatible with the elastic reset wire, so that the unlocking rod 210 and the elastic reset wire can be fixed relative to each other, thereby enabling the elastic reset wire to drive the unlocking rod 210 to reset.

[0057] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in an optional embodiment, the trigger button 230 includes a trigger button 231 and a wedge block 232 disposed on the back of the trigger button 231. The bottom of the unlocking rod 210 is provided with a sloping ramp 211 that can be adapted to the wedge block 232. The wedge block 232 abuts against the sloping ramp 211 so that the horizontal movement of the wedge block 232 can drive the sloping ramp 211 to move up and down. The table body 100 is provided with a mounting groove for mounting the trigger button 231.

[0058] Specifically, when the user presses the trigger button 231, the trigger button 231 can move towards the table body 100. The trigger button 231 can drive the wedge block 232 on its back to move into the table body 100. When the wedge block 232 moves, it can abut against the inclined slope 211 at the bottom of the unlocking rod 210. Through the setting of the wedge shape, the wedge block 232 can drive the unlocking rod 210 with the inclined slope 211 at the bottom to move vertically upward through its own horizontal movement. This allows the top of the unlocking rod 210 to abut against the locking tongue plate 320 in the locking socket 250. Then, the locking tongue plate 320 is pushed out from the locking socket 250. At this time, the table body 100 is unlocked, and the user can rotate the table body 100.

[0059] This embodiment provides a car seat, including a wedge-type unlocking structure for the seat tray.

[0060] Specifically, the car seat provided in this embodiment has the advantages of the aforementioned wedge-shaped unlocking structure of the seat table compared with the prior art, which will not be elaborated here.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A seat table board wedge type unlocking structure characterized by, The utility model relates to a table board body (100), unlock button assembly (200) and unlock bolt assembly (300) are included: One end of the table board body (100) can be pivoted with a seat back (10), the unlock button assembly (200) is arranged at the other end of the table board body (100), and the unlock bolt assembly (300) can be arranged on the seat back (10); The unlock bolt assembly (300) includes a bolt base (310), a bolt plate (320) and a first reset elastic member (330), the bolt base (310) can be fixedly arranged on the seat back (10), an unlock sliding groove (311) for mounting the bolt plate (320) is formed in the bolt base (310), and the first reset elastic member (330) is located between the unlock sliding groove (311) and the bolt plate (320), so that the bolt plate (320) has a tendency to be inserted into the unlock button assembly (200); The unlock top rod (210) on the unlock button assembly (200) can abut against the bolt plate (320), so that the unlock top rod (210) pushes the bolt plate (320) out of the unlock button assembly (200). The bolt plate (320) includes a bolt sliding part (321) and a bolt part (322), the bolt sliding part (321) is slidably arranged in the unlock sliding groove (311), and the thickness of the bolt part (322) gradually decreases from one end close to the first reset elastic member (330) to the other end.

2. The seat table deck wedge unlock structure of claim 1, wherein, Both sides of the bolt sliding part (321) are provided with sliding limiting elastic blocks (323), and the bolt base (310) is provided with sliding limiting grooves (312) matched with the sliding limiting elastic blocks (323).

3. The seat table deck wedge unlock structure of claim 2, wherein, The end of the bolt sliding part (321) is provided with a positioning column (324) matched with the first reset elastic member (330).

4. The seat table deck wedge unlock structure of claim 2, wherein, The unlock button assembly (200) includes an unlock fixed base (220), a trigger button member (230), a second reset elastic member (240) and the unlock top rod (210); 5. The seat table deck wedge unlock structure of claim 1, wherein, The unlock fixed base (220) is fixedly arranged in the table board body (100), the trigger button member (230) is fixedly arranged on the table board body (100), the unlock top rod (210) is slidably arranged on the unlock fixed base (220), and the second reset elastic member (240) is arranged on the unlock fixed base (220); The second reset elastic member (240) abuts against the unlock top rod (210), so that the unlock top rod (210) has a tendency to move away from the bolt plate (320); The trigger button member (230) can drive the unlock top rod (210) to move up and down relative to the unlock fixed base (220), so that the unlock top rod (210) drives the bolt plate (320) to move. ​ 6. The seat table deck wedge unlock structure of claim 5, wherein, The unlocking fixed base (220) is provided with a locking socket seat (250), and the unlocking top rod (210) and the lock tongue plate (320) can be inserted into the locking socket seat (250).

7. The seat table deck wedge unlock structure of claim 5, wherein, The inner wall of the table plate body (100) is provided with a sliding guide seat (110) which can be matched with the unlocking top rod (210).

8. The seat table deck wedge unlock structure of claim 5, wherein, The trigger button piece (230) comprises a trigger button (231) and a wedge-shaped block (232) arranged at the back of the trigger button (231), and the bottom of the unlocking top rod (210) is provided with a bevelled landslide (211) which can be matched with the wedge-shaped block (232). The wedge-shaped block (232) is in abutment with the bevelled landslide (211), so that the horizontal movement of the wedge-shaped block (232) can drive the bevelled landslide (211) to move up and down. The table plate body (100) is provided with a mounting groove for mounting the trigger button (231).

9. The seat table deck wedge unlock structure of claim 5, wherein, The second reset elastic member (240) is an elastic reset steel wire, and the unlocking fixed base (220) is provided with two reset member mounting seats (221) which are located on the two sides of the unlocking top rod (210).

10. An automotive seat characterized by comprising: The seat table plate wedge type unlocking structure comprises the seat table plate wedge type unlocking structure according to any one of claims 1-9. The seat table plate wedge type unlocking structure comprises the seat table plate wedge type unlocking structure according to any one of claims 1-9.